Although it’s a sign of progress that nonplayers are no longer excluded from the team-running ranks, front offices have swung so far in the other direction that they’ve merely traded one type of homogeneity for another, morphing into a slightly younger and far nerdier brand of old boys’ club. GMs are exclusively male, overwhelmingly white, and increasingly Ivy League educated. That lack of demographic diversity is likely leading to a lack of diversity of thought.

